package com.sale.system.service.impl;

import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.sale.common.core.domain.entity.SysUser;
import com.sale.common.core.page.PageDomain;
import com.sale.system.domain.SaleBuildings;
import com.sale.system.mapper.*;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.sale.common.constant.UserConstants;
import com.sale.common.core.domain.entity.SysDictData;
import com.sale.common.core.domain.entity.SysDictType;
import com.sale.common.exception.ServiceException;
import com.sale.common.utils.DictUtils;
import com.sale.common.utils.StringUtils;
import com.sale.system.service.ISysDictTypeService;

/**
 * 字典 业务层处理
 *
 * @author ruoyi
 */
@Service
public class SysDictTypeServiceImpl implements ISysDictTypeService
{
    @Resource
    private SysDictTypeMapper dictTypeMapper;

    @Resource
    private SysDictDataMapper dictDataMapper;

    @Resource
    private SysUserMapper sysUserMapper;
    @Resource
    private SaleBuildingsMapper saleBuildingsMapper;
    @Resource
    private SaleCustomerMapper saleCustomerMapper;

    /**
     * 项目启动时，初始化字典到缓存
     */
    @PostConstruct
    public void init()
    {
        loadingDictCache();
    }

    /**
     * 根据条件分页查询字典类型
     *
     * @param dictType 字典类型信息
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> selectDictTypeList(SysDictType dictType)
    {
        return dictTypeMapper.selectDictTypeList(dictType);
    }

    @Override
    public PageInfo<SysDictType> selectDictTypeList(SysDictType dictType, PageDomain pageDomain)
    {
        if (pageDomain != null) {
            Integer pageNum = pageDomain.getPageNum();
            Integer pageSize = pageDomain.getPageSize();
            if (pageNum == null) {
                pageDomain.setPageNum(1);
            }
            if (pageSize == null) {
                pageDomain.setPageSize(10);
            }
            PageHelper.startPage(pageDomain.getPageNum(), pageDomain.getPageSize());
        }
        List<SysDictType> list = dictTypeMapper.selectDictTypeList(dictType);
        return new PageInfo<>(list);
    }

    /**
     * 根据所有字典类型
     *
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> selectDictTypeAll()
    {
        return dictTypeMapper.selectDictTypeAll();
    }

    /**
     * 根据字典类型查询字典数据
     *
     * @param dictType 字典类型
     * @return 字典数据集合信息
     */
    @Override
    public List<SysDictData> selectDictDataByType(String dictType)
    {

        List<SysDictData> dictDatas = DictUtils.getDictCache(dictType);
        if (StringUtils.isNotEmpty(dictDatas))
        {
            return dictDatas;
        }

        if ("dict_sale_staff".equals(dictType)) {
            List<SysUser> sysUsers = sysUserMapper.selectUnallocatedListByDeptId("201");
            if (CollectionUtils.isNotEmpty(sysUsers)) {
                dictDatas = sysUsers.stream().map(sysUser1 -> {
                    SysDictData sysDictData = new SysDictData();
                    sysDictData.setDictValue(sysUser1.getUserId().toString());
                    sysDictData.setDictLabel(sysUser1.getNickName());
                    return sysDictData;
                }).collect(Collectors.toList());
            }
            return dictDatas;
        }
        else if("dict_sale_buildings".equals(dictType)) {
            dictDatas = saleBuildingsMapper.selectSaleBuildingsList(null).stream().map(saleBuildings -> {
                SysDictData sysDictData = new SysDictData();
                sysDictData.setDictValue(saleBuildings.getId().toString());
                sysDictData.setDictLabel(saleBuildings.getName() +"——"+saleBuildings.getCellUnit());
                return sysDictData;
            }).collect(Collectors.toList());
        }
        else if("dict_sale_customer".equals(dictType)) {
            dictDatas = saleCustomerMapper.selectSaleCustomerList(null).stream().map(saleCustomer -> {
                SysDictData sysDictData = new SysDictData();
                sysDictData.setDictValue(saleCustomer.getId().toString());
                sysDictData.setDictLabel(saleCustomer.getUsername());
                return sysDictData;
            }).collect(Collectors.toList());
        }
        else {
            dictDatas = dictDataMapper.selectDictDataByType(dictType);
        }

        if (StringUtils.isNotEmpty(dictDatas))
        {
            DictUtils.setDictCache(dictType, dictDatas);
            return dictDatas;
        }
        return null;
    }

    /**
     * 根据字典类型ID查询信息
     *
     * @param dictId 字典类型ID
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeById(Long dictId)
    {
        return dictTypeMapper.selectDictTypeById(dictId);
    }

    /**
     * 根据字典类型查询信息
     *
     * @param dictType 字典类型
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeByType(String dictType)
    {
        return dictTypeMapper.selectDictTypeByType(dictType);
    }

    /**
     * 批量删除字典类型信息
     *
     * @param dictIds 需要删除的字典ID
     * @return 结果
     */
    @Override
    public void deleteDictTypeByIds(Long[] dictIds)
    {
        for (Long dictId : dictIds)
        {
            SysDictType dictType = selectDictTypeById(dictId);
            if (dictDataMapper.countDictDataByType(dictType.getDictType()) > 0)
            {
                throw new ServiceException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
            }
            dictTypeMapper.deleteDictTypeById(dictId);
            DictUtils.removeDictCache(dictType.getDictType());
        }
    }

    /**
     * 加载字典缓存数据
     */
    @Override
    public void loadingDictCache()
    {
        SysDictData dictData = new SysDictData();
        dictData.setStatus("0");
        Map<String, List<SysDictData>> dictDataMap = dictDataMapper.selectDictDataList(dictData).stream().collect(Collectors.groupingBy(SysDictData::getDictType));
        for (Map.Entry<String, List<SysDictData>> entry : dictDataMap.entrySet())
        {
            DictUtils.setDictCache(entry.getKey(), entry.getValue().stream().sorted(Comparator.comparing(SysDictData::getDictSort)).collect(Collectors.toList()));
        }
    }

    /**
     * 清空字典缓存数据
     */
    @Override
    public void clearDictCache()
    {
        DictUtils.clearDictCache();
    }

    /**
     * 重置字典缓存数据
     */
    @Override
    public void resetDictCache()
    {
        clearDictCache();
        loadingDictCache();
    }

    /**
     * 新增保存字典类型信息
     *
     * @param dict 字典类型信息
     * @return 结果
     */
    @Override
    public int insertDictType(SysDictType dict)
    {
        int row = dictTypeMapper.insertDictType(dict);
        if (row > 0)
        {
            DictUtils.setDictCache(dict.getDictType(), null);
        }
        return row;
    }

    /**
     * 修改保存字典类型信息
     *
     * @param dict 字典类型信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateDictType(SysDictType dict)
    {
        SysDictType oldDict = dictTypeMapper.selectDictTypeById(dict.getDictId());
        dictDataMapper.updateDictDataType(oldDict.getDictType(), dict.getDictType());
        int row = dictTypeMapper.updateDictType(dict);
        if (row > 0)
        {
            List<SysDictData> dictDatas = dictDataMapper.selectDictDataByType(dict.getDictType());
            DictUtils.setDictCache(dict.getDictType(), dictDatas);
        }
        return row;
    }

    /**
     * 校验字典类型称是否唯一
     *
     * @param dict 字典类型
     * @return 结果
     */
    @Override
    public String checkDictTypeUnique(SysDictType dict)
    {
        Long dictId = StringUtils.isNull(dict.getDictId()) ? -1L : dict.getDictId();
        SysDictType dictType = dictTypeMapper.checkDictTypeUnique(dict.getDictType());
        if (StringUtils.isNotNull(dictType) && dictType.getDictId().longValue() != dictId.longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }
}
